Problem 4: Consider sin 0 = √2 and cos 0 <0. Use either x, y, r definitions as in 1.3, or fundamental identities as in 1.4 to find and simplify the exact values of all 6 trigonometric functions of 0. Show identities used if using 1.4.

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A: NOTE: Refresh your page if you can't see any equations. . here we have

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